2-13

• 0:10:52: Q1. What is D*B? ANS: G

• 0:12:07: Q2: what is A coming from? ANS: B*C or C*B

• 0:23:32: Q3 For the given filter, does it detect vertical or horizontal edges? ANS: vertical

• 0:32:58: Q4 which image (left or right) is gradient in x-direction? ANS: left